package com.king.nio.zerocopy;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.nio.ByteBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;

public class NewIoServer {
    public static void main(String[] args) throws IOException {
        InetSocketAddress address = new InetSocketAddress(7001);

        ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();

        ServerSocket serverSocket = serverSocketChannel.socket();

        serverSocket.bind(address);

        ByteBuffer buffer = ByteBuffer.allocate(4096);

        while(true){
            SocketChannel socketChannel = serverSocketChannel.accept();

            int readCount = 0;

            while(-1 != readCount){
                try {
                    readCount = socketChannel.read(buffer);
                }catch (Exception e){
                    break;
                }

                // 倒带 position = 0 mark 作废
                buffer.rewind();
            }
        }
    }
}
